Tungsten Trioxide yellow powder. Tungsten trioxide, yellow powder, insoluble in water. Soluble in alkali. This is used for the manufacture of high melting points alloys and hard alloys, as well as tungsten wire and fireproof material. Color: yellow,
Magnesium-stearate (or magnesium stearate) is a light, white powder that is fine in appearance. It is not soluble in water or ethanol, and is also greasy.We are able to supply industrial-grade, pharmaceutical-grade, and food grade magnesium Stearate
Silicon Boride, also known as Silicon Hexaboride. Silicon Boride is also called Silicon Hexaboride. It's a transparent, black-gray substance that melts at 3.0g/cm3. Purity: >99% Particle sizes: 20-40um No. : EINECS No. : 234-535-8 Appearance
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